Home / 26,118.20-39,164.28-8,346.56

Finding the Fourth Proportional to 26,118.20, 39,164.28 and 8,346.56

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Solution

The fourth proportional to 26,118.20, 39,164.28 and 8,346.56 is: 12,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.20 : 39,164.28 = 8,346.56 : x
  2. Step 2: Convert to fraction form
    26,118.20/39,164.28 = 8,346.56/x
  3. Step 3: Cross multiply
    26,118.20x = 39,164.28 × 8,346.56
  4. Step 4: Simplify right side
    26,118.20x = 326,887,012.88
  5. Step 5: Solve for x
    x = 326,887,012.88/26,118.20
  6. Step 6: Final answer
    x = 12,515.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.